diff --git a/src/BluescaleMailApi.php b/src/BluescaleMailApi.php
index e816cca..39bbd98 100644
--- a/src/BluescaleMailApi.php
+++ b/src/BluescaleMailApi.php
@@ -55,7 +55,7 @@ class BluescaleMailApi
             if (count($attachments) > 0) {
                 $formatted_attachmments = [];
                 foreach ($attachments as $attachment) {
-                    $file = new UploadedFile($attachment->path, $attachment->fileName, 'application/octet-stream', null, null, false);
+                    $file = new UploadedFile($attachment['path'], $attachment['filename'], 'application/octet-stream', null, null, false);
                     $formatted_attachmments[] = $file;
                 }